Ext.define('MyFirstApp.view.Main', {
    extend: 'Ext.tab.Panel',
    xtype: 'main',
    config: {
        items: [
            {
                xtype:'home'
            },
            {
                xtype:'servercontainer'
            },
            {
                xtype: 'settings'
            }
        ],
        tabBar: {
            docked:'bottom'
        }
    }
});
